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The following page has been changed by BryanPendleton:
http://wiki.apache.org/db-derby/TestingOldClientNewServer
The comment on the change is:
New page to hold old-client tip
New page:
When making a change to the Network Server code, it is useful to be able to verify that the change does not break old clients. Here is one technique you can use:
* Modify your classpath so that it specifies the 10.1 version of the derbytesting.jar and derbyclient.jar files. You can find these files in your subversion tree in the {{{trunk/tools/testing/derby/10.1}}} directory
* The rest of your classpath should still point to the 10.2 code you are testing.
* Run the derbynetclientmats suite using the command {{{java org.apache.derbyTesting.functionTests.harness.RunSuite derbynetclientmats}}}
There may be diffs when you do this, related to changes to the new release which are known to cause compatibility problems with the previous client code. If you have trouble understanding the diffs, post a message to the developers list and some of the other Derby developers will be glad to help you interpret the diffs.